Dental composition based on a colloidal silica solution in a continuous silicon phase
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United States of America Patent
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Aug 27, 2013
Grant Date -
Jun 2, 2005
app pub date -
Dec 17, 2002
filing date -
Dec 18, 2001
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Abstract
The invention relates to dental compositions which can be used to produce dental prostheses and for dental restoration. The inventive compositions comprise: (1) a concentrated silica solution comprising colloidal amorphous silica particles in at least one continuous silicon phase, consisting of polymerisable and/or crosslinkable silicon polymer and/or oligomer; (2) at least one photosensitiser; and (3) a cationic initiator which is selected from among those comprising a cationic entity selected from onium salts having formula (1): [(R1)n-A-(R2)m]+
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